The 100 Best Android Apps of 2015

ASTRO File Manager with Clouds

Free
Unlike iOS, Android actually lets you plumb the depths of its innardsprovided you have the right app to do it. Let Astro be your guide as you explore your Android's files. In addition to the basics (copying files, moving files, etc.) Astro connects with cloud services (Box, Dropbox, Google Drive, SkyDrive), backs up your apps, and doubles as an application manager.